Firmware/BIOS-related Patent Filings

I don't know if security researchers are used to looking at patent filings--because I'm not officially one of them. However, I found that reading and trying to understand firmware/BIOS-related patent filings is enlightening. It is also interesting because the filings are related to each other via cross-referencing, which make the activity all the more interesting, given enough time to dig into it. Among other thing, it provides a view ahead in this cat and mouse game of protecting and breaking firmware. These are some of my picks (not necessarily new ones):

• Patent 2008/7392541
• Approaches for Ensuring Data Security
• A sort of BIOS Agent
• Pre-Boot Authentication System
• Sector-Based Protection to Flash ROM (Old one)
• HP Lights-Out-Management Patent Filing

The one that interest me the most is the last one because it's a sort of insight into Baseboard Management Controller (BMC) stuff. I hope you enjoy the patent filings as much as I do ;-)

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